Light quantity adjusting apparatus, image pickup apparatus...

Details Light quantity adjusting apparatus, image pickup apparatus... Light quantity adjusting apparatus, image pickup apparatus...

2005-06-17

2009-06-30

Blackman, Rochelle-Ann J (Department: 2862)

Photography

Camera detail

Diaphragm

C396S496000, C348S368000, C359S739000

Reexamination Certificate

active

07553094

ABSTRACT:
At least one exemplary embodiment is directed to a light quantity adjusting apparatus that can include a first blade member configured to be driven by a drive source, such as a motor, and a second blade member whose movement is configured to be related to the movement of the first blade member.

REFERENCES:
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patent: 6099171 (2000-08-01), Takahashi
patent: 2005/0073604 (2005-04-01), Umezu
patent: 6-95204 (1994-04-01), None
patent: 6-175194 (1994-06-01), None
patent: 11-119296 (1999-04-01), None
patent: 2000-155352 (2000-06-01), None
patent: 2001-42382 (2001-02-01), None
patent: 2004-138953 (2004-05-01), None

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